... headche, mucle aches disposable and instant ice pack SGS,MSDS,TUV,CE Instant Hot Pack 1.Easy to use ... minutes 2.Non-toxic,non-caustic.disposable.Instant Hot Pack Function:1.Easy to use,can ... reach 43 C. long tiem hot-last about 40 minutes,2.Non-toxic,non-caustic.disposable ... to mix contents.Application:1.This instant hot pack can release heat within 5 seconds, ...